what is the amount of oxygen that would react with 2g of zinc powder at the room conditions?
RAM:Zn=65,O=16,I mole gas at room conditions=24 dm3Potassium manganate(VII) is heated with liberation of oxygen and reacts with zinc powder.?
0.49 gm
0.37 dm^3Potassium manganate(VII) is heated with liberation of oxygen and reacts with zinc powder.?
2/65 x 1/2 x 32 for the mass.
2/65 x 1/2 x 24 for the volume
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